⊦ ¬ (∃ r. r ∈ st) → maxref(st) = jvmref
¬ ¬ (∃ r. r ∈ st0), ∀ r. r ∈ st ↔ r ∈ st0 ⊦ next(jvmref) = next(maxref(st0)), ∃ r. r ∈ st
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st0)]]